Which is newest W810i OR W900i PLEASE?
Actually Sony came out with the walkman line the W600i and W810iand W900i those three came out first. Since then they have added other model numbers. They cam out with i and three first because each one has different options both 810i and 900i you can add memory with a memory sitck. The 600i is set memory and also a flip. Where the 810 is a candy bar and the 900i is a type of rotating phone. The 600 and 810 are quad band and the 900 is only tri band(does not have 850)does not work with some US carriers(Cingular is 850/1900). The internal memory is higher in the w900i and the w810i has less and the w600i has even less.
